Synonyms of decay


1. decay, natural process, natural action, action, activity

usage: the process of gradually becoming inferior

2. decay, decline, decrease, decrement

usage: a gradual decrease; as of stored charge or current

3. decay, decomposition, organic phenomenon

usage: the organic phenomenon of rotting

4. decay, unsoundness

usage: an inferior state resulting from the process of decaying; "the corpse was in an advanced state of decay"; "the house had fallen into a serious state of decay and disrepair"

5. decay, radioactive decay, disintegration, nuclear reaction

usage: the spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation


1. disintegrate, decay, decompose, change integrity

usage: lose a stored charge, magnetic flux, or current; "the particles disintegrated during the nuclear fission process"

2. decay, crumble, dilapidate, change

usage: fall into decay or ruin; "The unoccupied house started to decay"

3. decay, change

usage: undergo decay or decomposition; "The body started to decay and needed to be cremated"

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Definition and meaning of decay (Dictionary)